<template>
	<view>
	<view class="goods-list">
    <view v-for="(goods,i) in goodsList" :key="i" @click="gotoDetail(goods)">
     <my-goods :goods="goods" />
    </view>
	  
	</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
        //请求参数对象
				queryObj:{
          query:'',
          cid:'',
          pagenum:1,
          pagesize:10,
        },
        goodsList:[],
        total:0,
        //声明节流阀
        isloading:false
         
			};
		},
    onLoad(options){
      this.queryObj.query = options.query || ''
      this.queryObj.cid= options.cid || ''
      this.getGoodsList()
    },
    methods:{
    async  getGoodsList(cb){
      //打开节流阀
      this.isloading=true
      const {data:res} =  await uni.$http.get('/api/public/v1/goods/search',this.queryObj)
      //关闭节流阀
      this.isloading = false
      cb && cb()//停止下拉刷新
      if(res.meta.status !==200) return uni.$showMsg()
      this.goodsList = [...this.goodsList,...res.message.goods]
      this.total = res.message.total
      },
      //点击跳转到商品详情页面
      gotoDetail(goods){
        uni.navigateTo({
          url:'/subpkg/goods_detail/goods_detail?goods_id='+goods.goods_id
        })
      }
    },
    //下拉触底事件
    onReachBottom() {
      if(this.queryObj.pagenum * this.queryObj.pagesize >=this.total) return uni.$showMsg("数据加载完毕!")
      if(this.isloading) return
      //让页码值自增+1
      this.queryObj.pagenum ++
      this.getGoodsList()
    },
    //监听下拉刷新
    onPullDownRefresh() {
      //重置关键数据
      this.queryObj.pagenum =1
      this.total =0
      this.isloading = false
      this.goodsList = []
      
      this.getGoodsList(()=>uni.stopPullDownRefresh())
    }
	}
</script>

<style lang="scss">

</style>
